FEAT(tempo): configure S3 storage with MinIO

- Enable env var expansion in config
- Configure extraEnv for S3 credentials
- Fix OTel Collector image settings

opentelemetry-collector/kustomization.yaml

@@ -0,0 +1,5 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - argocd.yaml